diff --git a/INSTALL b/INSTALL
index 5c149dc453..11f573488c 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
 To build and use git-annex, you will need:
 
 * ghc
-* These haskell libraries: MissingH
+* These haskell libraries: MissingH SHA
 * a "uuid" command
diff --git a/debian/control b/debian/control
index fa4fd61159..e58f55af9e 100644
--- a/debian/control
+++ b/debian/control
@@ -1,7 +1,7 @@
 Source: git-annex
 Section: utils
 Priority: optional
-Build-Depends: debhelper (>= 7.0.50), ghc6, libghc6-missingh-dev
+Build-Depends: debhelper (>= 7.0.50), ghc6, libghc6-missingh-dev, libghc6-sha-dev
 Maintainer: Joey Hess <joeyh@debian.org>
 Standards-Version: 3.9.1
 Vcs-Git: git://git.kitenet.net/git-annex